OSV-2025-486 Bad-cast to cv::PngDecoder from invalid vptr

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=426783958 Crash type: Bad-cast Crash state: Bad-cast to cv::PngDecoder from invalid vptr cv::PngDecoder::readData cv::imdecode...

opencv/imdecode_fuzzer: Crash in jp2_box_get

Project: https://github.com/opencv/opencv.git Detailed report: https://oss-fuzz.com/testcase?key=5665823442599936 Project: opencv Fuzzer: libFuzzeropencvimdecodefuzzer Fuzz target binary: imdecodefuzzer Job Type: libfuzzerubsanopencv Platform Id: linux Crash Type: UNKNOWN READ Crash Address:...